package net.minecraft.block;

import java.util.List;
import java.util.Random;
import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyInteger;
import net.minecraft.block.state.BlockState;
import net.minecraft.block.state.IBlockState;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.tileentity.TileEntityDaylightDetector;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.MathHelper;
import net.minecraft.world.EnumSkyBlock;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

public class BlockDaylightDetector extends BlockContainer {
	public static final PropertyInteger POWER = PropertyInteger.create("power", 0, 15);
	private final boolean inverted;

	public BlockDaylightDetector(boolean inverted) {
		super(Material.wood);
		this.inverted = inverted;
		this.setDefaultState(this.blockState.getBaseState().withProperty(POWER, Integer.valueOf(0)));
		this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.375F, 1.0F);
		this.setCreativeTab(CreativeTabs.tabRedstone);
		this.setHardness(0.2F);
		this.setStepSound(soundTypeWood);
		this.setUnlocalizedName("daylightDetector");
	}

	public void setBlockBoundsBasedOnState(IBlockAccess worldIn, BlockPos pos) {
		this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.375F, 1.0F);
	}

	public int getWeakPower(IBlockAccess worldIn, BlockPos pos, IBlockState state, EnumFacing side) {
		return ((Integer) state.getValue(POWER)).intValue();
	}

	public void updatePower(World worldIn, BlockPos pos) {
		if (!worldIn.provider.getHasNoSky()) {
			IBlockState iblockstate = worldIn.getBlockState(pos);
			int i = worldIn.getLightFor(EnumSkyBlock.SKY, pos) - worldIn.getSkylightSubtracted();
			float f = worldIn.getCelestialAngleRadians(1.0F);
			float f1 = f < (float) Math.PI ? 0.0F : ((float) Math.PI * 2F);
			f = f + (f1 - f) * 0.2F;
			i = Math.round((float) i * MathHelper.cos(f));
			i = MathHelper.clamp_int(i, 0, 15);

			if (this.inverted) {
				i = 15 - i;
			}

			if (((Integer) iblockstate.getValue(POWER)).intValue() != i) {
				worldIn.setBlockState(pos, iblockstate.withProperty(POWER, Integer.valueOf(i)), 3);
			}
		}
	}

	public boolean onBlockActivated(World worldIn, BlockPos pos, IBlockState state, EntityPlayer playerIn,
			EnumFacing side, float hitX, float hitY, float hitZ) {
		if (playerIn.isAllowEdit()) {
			if (worldIn.isRemote) {
				return true;
			} else {
				if (this.inverted) {
					worldIn.setBlockState(pos,
							Blocks.daylight_detector.getDefaultState().withProperty(POWER, state.getValue(POWER)), 4);
					Blocks.daylight_detector.updatePower(worldIn, pos);
				} else {
					worldIn.setBlockState(pos, Blocks.daylight_detector_inverted.getDefaultState().withProperty(POWER,
							state.getValue(POWER)), 4);
					Blocks.daylight_detector_inverted.updatePower(worldIn, pos);
				}

				return true;
			}
		} else {
			return super.onBlockActivated(worldIn, pos, state, playerIn, side, hitX, hitY, hitZ);
		}
	}

	/**
	 * Get the Item that this Block should drop when harvested.
	 */
	public Item getItemDropped(IBlockState state, Random rand, int fortune) {
		return Item.getItemFromBlock(Blocks.daylight_detector);
	}

	public Item getItem(World worldIn, BlockPos pos) {
		return Item.getItemFromBlock(Blocks.daylight_detector);
	}

	public boolean isFullCube() {
		return false;
	}

	/**
	 * Used to determine ambient occlusion and culling when rebuilding chunks for
	 * render
	 */
	public boolean isOpaqueCube() {
		return false;
	}

	/**
	 * The type of render function called. 3 for standard block models, 2 for
	 * TESR's, 1 for liquids, -1 is no render
	 */
	public int getRenderType() {
		return 3;
	}

	/**
	 * Can this block provide power. Only wire currently seems to have this change
	 * based on its state.
	 */
	public boolean canProvidePower() {
		return true;
	}

	/**
	 * Returns a new instance of a block's tile entity class. Called on placing the
	 * block.
	 */
	public TileEntity createNewTileEntity(World worldIn, int meta) {
		return new TileEntityDaylightDetector();
	}

	/**
	 * Convert the given metadata into a BlockState for this Block
	 */
	public IBlockState getStateFromMeta(int meta) {
		return this.getDefaultState().withProperty(POWER, Integer.valueOf(meta));
	}

	/**
	 * Convert the BlockState into the correct metadata value
	 */
	public int getMetaFromState(IBlockState state) {
		return ((Integer) state.getValue(POWER)).intValue();
	}

	protected BlockState createBlockState() {
		return new BlockState(this, new IProperty[] { POWER });
	}

	/**
	 * returns a list of blocks with the same ID, but different meta (eg: wood
	 * returns 4 blocks)
	 */
	public void getSubBlocks(Item itemIn, CreativeTabs tab, List<ItemStack> list) {
		if (!this.inverted) {
			super.getSubBlocks(itemIn, tab, list);
		}
	}
}
